89478425 has 12 divisors (see below), whose sum is σ = 112054956. Its totient is φ = 70872000.

The previous prime is 89478419. The next prime is 89478437. The reversal of 89478425 is 52487498.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 12880921 + 76597504 = 3589^2 + 8752^2 .

It is not a de Polignac number, because 89478425 - 2⁴ = 89478409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 89478425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15194 + ... + 20243.

It is an arithmetic number, because the mean of its divisors is an integer number (9337913).

Almost surely, 2^89478425 is an apocalyptic number.

It is an amenable number.

89478425 is a deficient number, since it is larger than the sum of its proper divisors (22576531).

89478425 is a wasteful number, since it uses less digits than its factorization.

89478425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35548 (or 35543 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The square root of 89478425 is about 9459.3036213032. The cubic root of 89478425 is about 447.2730974162.

The spelling of 89478425 in words is "eighty-nine million, four hundred seventy-eight thousand, four hundred twenty-five".